package sword_to_1;

public class LeeCode_05 {
    public static void main(String[] args) {
        
    }
    private static String replaceSpace(String s) {
        StringBuilder sb = new StringBuilder();
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (c == ' '){
                sb.append("%20");
            }else {
                sb.append(c);
            }
        }
        return sb.toString();
    }
}
